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The winter blizzard set to paralyze the East Coast has given climate change deniers the perfect opportunity to proclaim, once again, that global warming is a hoax, that several feet of snow prove the planet is as cold as ever, that the Earth is flat: You can tell by looking outside. Common sense.

During a similar snowstorm in 2010, the family of one of the nation’s leading flat-earthers, Sen. Jim Inhofe, R-Okla., built an igloo on the National Mall. His daughter, son-in-law and grandchildren deposited a sign across the structure that read “Al Gore’s New Home,” in mockery of one of the saner voices on the risks of climate change.

This latest storm has produced plenty of igloo material but no evidence that Gore is wrong. Sorry, but the Earth is, in fact, a sphere — no matter what you see as you look out your bedroom window. Similarly, the planet is warming — no matter how cold it is outside your bedroom window.

Earlier this month, climate scientists released a report saying that 2015 was the warmest year on record for the planet, shattering the previous record that had been set by a very warm 2014. El Niño’s winds contributed to last year’s heat, but the bulk of it is a consequence of human activity, scientists said.

By now, the science is settled. Shouldn’t we be talking about solutions? Shouldn’t our politicians be leading a national discussion about ways to build on the climate accord that President Obama signed in Paris?

One of the most promising answers is a carbon tax, a way to raise prices on the fossil fuels that create much of the environmental havoc. A price hike would help to discourage use by everyone, from the executives at coal-fired electric plants to motorists who drive alone to and from work.

A carbon tax is even more compelling in this era of rapidly falling petroleum prices. While cheap gas helps the family budget, it simply encourages us to use more of it. And, oddly, it even encourages car buyers to skip the smaller, more efficient models and opt for bigger gas guzzlers. At the end of 2015, fuel economy for new vehicles was falling, likely reflecting more purchases of pickup trucks and SUVs, according to the University of Michigan’s Transportation Research Institute.

It might seem perverse to suggest a carbon tax — or “fee,” as some prefer to call it — just as average households are getting a break from gas prices. After all, the American middle class is still struggling with wage stagnation.

But those households need not be penalized. There are already detailed plans for protecting low- and middle-income households from the budget pinch of a carbon tax, which would affect not only gasoline but also home energy prices.

The bigger problem is that a carbon tax has no chance of passing a recalcitrant Republican Congress, many of whose members still insist that climate change isn’t real. The few GOP moderates who had, in the past, acknowledged human-caused climate change — New Jersey governor Chris Christie and former Florida governor Jeb Bush, for instance — dare not say so anymore.

It hasn’t always been this way inside the Republican Party. As The Wall Street Journal has noted, “Republicans, not Democrats, first championed market-based systems to control pollution.” In 2008, GOP nominee John McCain and his Democratic rival, Obama, had similar proposals for a carbon tax.

Nowadays, though, the carbon tax is anathema to an irrational Republican electorate. Tim Phillips, the president of Americans for Prosperity, has said that any GOP candidate who supported a carbon tax “would be at a severe disadvantage in the Republican nomination process.” That helps explain why not a word has been uttered in support of it.

But that’s no reason to give up. Environmentalists and their allies have to keep plugging away at rational solutions, playing the long game. There really is no choice. Global warming is a crisis, no matter how big a blizzard batters the East Coast, and no matter how many igloos the Inhofe clan builds.

(Cynthia Tucker won the Pulitzer Prize for commentary in 2007. She can be reached at cynthia@cynthiatucker.com.)

Photo: Workers clear falling snow from the East Front of the U.S. Capitol in Washington January 22, 2016. REUTERS/Jonathan Ernst

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With a deranged narcissist in the Oval Office and his lackey controlling the Department of Justice, there is no point in looking to the federal government to curb police violence. Instead, President Donald J. Trump will do everything in his power to encourage it. In the wake of protests over the murder of George Floyd, he has demanded that governors crack down on protestors: "You have to dominate. ... If you don't dominate, you're wasting your time," he told them.

Moreover, most local police authorities are under local control -- mayors, city councils, district attorneys, police chiefs, sheriffs. That's where the accountability for police misconduct begins.

<p>But Congress could take a significant step toward reining in that misconduct by passing a bill to end the practice of allowing the Pentagon to give surplus war equipment to local police departments. There is simply no good reason for police in any city -- from Washington to Wichita -- to roll down the streets in armored personnel carriers, armed with battering rams and grenade launchers. They are not going to war. American citizens are not enemy combatants.</p><p>Several Democrats have already announced their intention to introduce legislation to end the practice. Sen. Brian Schatz, D-Hawaii, has said he would introduce such a measure as an amendment to the all-important annual defense policy bill -- which would give it a decent shot at passing since Republicans are deeply invested in the defense bill.</p><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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</script><p>After protests broke out in Ferguson, Missouri, in 2014 following the fatal shooting of Michael Brown by a police officer, local law enforcement authorities took to the streets in armored carriers, further inflaming tensions. They showed little inclination toward restraint or de-escalation. The same thing is occurring in cities around the country right now.</p><p>Off-loading surplus military hardware to local police departments was never a good idea. The practice started back during the 1990s as violent crime peaked and local and federal authorities were feverishly devoted to winning the so-called war on drugs. After the terrorist attacks of 9/11, the program ramped up, doling out battlefield gear even to small towns no self-respecting terrorist ever heard of.</p><p>Law enforcement agents became enamored of images of themselves decked out like soldiers on special-ops missions. According to <em>The New York Times</em>, the website of a South Carolina sheriff's department featured its SWAT team "dressed in black with guns drawn, flanking an armored vehicle that looks like a tank and has a mounted .50-caliber gun."</p><p>Poor neighborhoods are subjected to the military-style hardware much more often than affluent ones. And the consequence of that sort of policing is often less safety, not more. When the police behave like an occupying force, the residents return the favor -- treating them with suspicion and contempt. That hardly makes it more likely that police will get the information they need to solve crimes.</p><p>The administration of President Barack Obama understood that and curbed the Pentagon program after Ferguson. In the final years of the Obama administration, the Pentagon reported that local law enforcement agencies had returned 126 tracked armored vehicles, 138 grenade launchers and 1,623 bayonets, the Times said. Pause for a moment just to consider that. Why would any police department -- even New York City's army of 36,000 officers -- need bayonets and grenade launchers? Once you implant in the heads of police officers the notion that they need battlefield gear, their use of violence against unarmed citizens escalates as a natural consequence.</p><script async="" src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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</script><p>But guess what happened when Trump took office? He removed Obama's restraints on the Pentagon program, once again allowing local law enforcement agents to go to battle against the citizens they are sworn to protect. No surprise there. In 2017, Trump gave a speech in which he urged police officers not to worry about injuring a suspect during an arrest.</p><p>Police violence against black people is a problem as old as the nation itself. It didn't start with Trump's presidency and won't end when it's over. Rather, the racist culture that is embedded among so many law enforcement agencies showed itself clearly when major police unions enthusiastically backed Trump's election. When Trump is finally gone, the campaign to eradicate that culture can begin in earnest.</p>